body {
    margin: 0;
}

.productinfo {
    width: 1200px;
    margin: auto;
    background-color: rgba(200,200,200,0.05);
}

.productinfo > div:first-child {
    width: 100%;
    height: 287px;
    display: flex;
}

.productinfo > div:first-child > div {
    width: 900px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.productinfo > div:first-child > div > div:first-child {
    width: 100%;
    border-bottom: black dashed 1px;
    font-size: 20px;
    margin: 10px 0;
}

.productinfo > div:first-child > div > div:nth-child(2) {
    text-decoration: line-through;
}

.productinfo > div:first-child > div > div:nth-child(3) > span {
    color: #ff5022;
    font-size: 20px;
    font-weight: bolder;
}

#describe {
    width: 100%;
    margin: 30px 0;
    padding: 10px 0;
    border: rgba(0, 0, 0, 0.3) solid 1px;
    background-color: rgba(0, 0, 0, 0.1);
    font-size: 14px;
}

.info{
    width: 100%;
    margin: 50px 0;
    font-size: 16px;
}